ML20006E060
| ML20006E060 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 02/09/1990 |
| From: | Stolz J Office of Nuclear Reactor Regulation |
| To: | Hukill H GENERAL PUBLIC UTILITIES CORP. |
| References | |
| TAC-75932, NUDOCS 9002160179 | |
| Download: ML20006E060 (2) | |
Text
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February 9, 1990 e
j j, Mr. Henry D. Hukill, Vice President' and Director - TMI-1 GPU Nuclear Corporation P. O. Box 480 Middletown, Pennsylvania 17057 i
Dear Mr. Hukill:
1 1
SUBJECT:
- REQUEST FOR PROPOSED ALTERNATIVE TO REQUIREMENTS OF ASME'SECTION 111 FOR THE THREE MILE ISLAND UNil 1 (TAC No. 75932)
By letter of January 25, 1990 GPU Nuclear Corporation requested approval for the use of B&W steam generator plugs manufactured with an alternate material.
The alternate material is a nickel base alloy, ASME designation SB-166 (Alloy i
690).
J The staff has reviewed your request and supporting information and concludes that the use of Alloy 690 as a proposed alternative to the use of Alloy 600, in accordance with the requirements of the ASME Boiler and Pressure Vessel Code, will provide an acceptable level of quality and safety. Use of Alloy j
l 690iin this application is hereby authorized under the provisions of 10 CFR' 50,55a(a)(3) at Three Mile Island Unit 1.
Sincerely, j
i
/s/
l j
John F. Stolz, Director Project Directorate 1 Division of Reactor Projects I/II Office of Nuclear Reactor Regulation
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G. Broughton Francis I. Young O&M Director THI-1 Senior Resident Inspector (TMI-1)
GPU Nuclear Corporation U.S.N.R.C.
' Post Office Box 480 Post Office Box 311 Middletown, Pennsylvania 17057 Middletown, Pennsylvania 17057 Richard J. McGoey Manager, PWR Licensing Regional Administrator, Region I GPU Nucitar Corporation U.S. Nuclear Regulatory Comission 100 Interpace Parkway 475 Allendale Road Parsippany, New Jersey 07054 King of Prussia, Pennsylvania 19406 C. W. Smyth Robert B. Borsum 1
THI-1 Licensing Manager Babcock & Wilcox GPU Nuclear Corporation Nuclear Power Generation Division Post Office Box 480 Suite 525 Middletown, Pennsylvania 17057 1700 Rockville Pike Rockville, Maryland 20852 Ernest L. Blake, Jr., Esq.
Governor's Office of State Planning Shaw, Pittman, Potts & Trowbridge and Development 2300 N Street, N.W.
ATTN: Coordinator, Pennsylvania Washington, D.C.
20037 State Clearinghouse Post Office Box 1323 l
Harrisburg, Pennsylvania 17120 Sally S. Klein, Chairman Thomas M. Gerusky, Director Dauphin County Comissioner Bureau of Radiation Protection Dauphin County Courthouse Pennsylvania Department of L'
Front'and Market Streets Environmental Resources Harrisburg, Pennsylvania 17120 Post Office Box 2063 l_
Harrisburg, Pennsylvania 17120 Kenneth E. Witmer, Chairman Board of Supervisors of Londonderry Township l
25 Roslyn Road l
Eilzabethtown, PA 17022 l
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